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FOC | Family List | FOC Vol. 13 | Melastomataceae | Barthea

1. Barthea barthei (Hance ex Bentham) Krasser in Engler & Prantl, Nat. Pflanzenfam. 3(7): 175. 1893.

棱果花 leng guo hua

Shrubs 70-150(-300) cm tall. Stems terete; bark grayish white; branches numerous, nearly 4-sided, puberulous and glandular furfuraceous. Petiole 0.5-1.5 cm, densely furfuraceous or glabrous; leaf blade elliptic, suborbicular, ovate, or ovate-lanceolate, (3.5-)6-11(-15) × (1.8-)2.5-5.5 cm, stiffly papery to subleathery, abaxially densely furfuraceous, adaxially glabrous, secondary veins 2 on each side of midvein, base obtuse to broadly obtuse, margin entire or serrulate, apex acuminate. Inflorescences cymes, (1-)3-flowered but usually only 1 fertile; peduncle ca. 7 mm, 4-sided, furfuraceous. Hypanthium ca. 0.6 or 1.4 cm, 4-sided, very narrowly winged on ribs, densely furfuraceous. Calyx lobes shortly triangular or linear-lanceolate, ca. 3 or 1.5-1.7 mm. Petals white, pink, or purple, oblong-ellitic to obovate, 1.1-1.8 × 1-1.6 cm, apically oblique. Filaments of longer stamen ca. 8 mm; anthers ca. 1 cm, spur ca. 2 mm and curved, basal 2 setae ca. 3.5 mm. Filaments of shorter stamen ca. 6 mm; anthers ca. 3 mm, spur inconspicuous, basal setae ca. 2.5 mm. Ovary 4-sided, glabrous. Capsule oblong, ca. 1 or 1.8 × 0.6 or 1.1 cm, 4-sided, furfuraceous, wings 1-2 mm wide on ribs. Fl. Jan-May or Oct-Dec, fr. Oct-Dec or May.

● Mixed forests, forested mountain slopes, open thickets, wooded ravines, along streams; 400-2500(-2800) m. Fujian, Guangdong, Guangxi, Hunan, Taiwan.

1 Calyx lobes shortly triangular, ca. 3 mm; hypanthium ca. 0.6 cm; capsule ca. 1 × 0.6 cm, with wings to 1 mm wide.   1a var. barthei
+ Calyx lobes linear-lanceolate, 1.5-1.7 cm; hypanthium ca. 1.4 cm; capsule ca. 1.8 × 1.1 cm, with wings ca. 2 mm wide.   1b var. valdealata


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